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Okx Backend Engineer Interview Questions

The questions to prepare for a Okx Backend Engineer interview. Questions from real interview reports rank first. Updated weekly.

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Deep-Dive Into System ArchitectureMedium

Assesses your system design depth and ability to justify architectural choices.

complex systems
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Consistency vs Availability Trade-offs
Medium

Assesses your distributed systems reasoning around CAP-style trade-offs.

Trade-offsconsistencyavailability
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Array Manipulation and Searching
Medium

Assesses your problem-solving skills for common array-based coding tasks.

ArraysSearching
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Graph Traversal and Shortest Paths
Medium

Tests your ability to implement and reason about graph algorithms correctly and efficiently.

shortest pathtraversalGraphs
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Optimize Large PostgreSQL Query PerformanceMedium

Explain how to tune slow PostgreSQL queries on multi-million-row tables using indexes, execution plans, joins, and partitioning.

Performance Tuningquery optimizationsql
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Indexing and Query Optimization
Medium

Assesses your ability to improve database performance using indexing and query optimization.

indexingdatabasequery optimization
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Concurrency Control and State
Medium

Tests your ability to prevent race conditions and maintain correct shared state.

state managementconcurrency
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Okx
Distributed Network Protocols
Medium

Evaluates your understanding of distributed communication and how it impacts reliability and latency.

Networkingdistributed systemsprotocols
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